Best Manufacturing Services Companies in California, United States
The 427 best Manufacturing Services companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Radiabeam.
Our analysis of 50 Manufacturing Services companies
$2.0b in tracked funding; 66% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2010.
Ranked: Best Manufacturing Services companies in California
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Radiabeam Designer and manufacturer of custom particle accelerator systems 65Funding top 21%Product top 46%Innovation top 47%Patents top 50% All 5 signals ▾Fundingtop 21% Producttop 46% Innovationtop 47% Patentstop 50% Globalbottom 42% Funding: Raised $142M across 44 rounds · 44 rounds over 19 yrs (2.3/yr) Product: 7 distinct product lines · Company stage: Grant (prize money) rank vs industry peers · Fliar Intelligence Index 65/100 | $142M | 10 mo ago | — | — | — | — | 9 patents High‑power RF cavities, terahertz imaging systems, and adaptive X‑ray cargo inspection. | — |
| 2 | PCH Provider of end-to-end product development and supply chain solutions | $77M | 180 mo ago | 100 | Liam Casey Founder & CEO | WebflowWordPressMySQL+22 | Top 10M | — | — |
| 3 | NanoGram Developer and manufacturer of photovoltaic electronics and displays | $60M | 195 mo ago | — | Jun Suzuki CEO & President | — | Top 50M | 229 patents Printed electronics and photovoltaic contacts using doped silicon/germanium nanoparticle inks | — |
| 4 | eCullet Glass processing company | $49M | 145 mo ago | 13 | Craig London CEO & President | — | — | 5 patents High‑speed, multi‑stage sorting and contaminant removal for glass cullet recycling | — |
| 5 | DVDPlay Develops and manufactures automated and remotely managed DVD rental kiosks | $37M | 227 mo ago | 53 | — | PHPBootstrapNginx+7 | Top 10M | 4 patents Automated self-service kiosks for dispensing and retrieving media disks | — |
| 6 | Flame King Provider of propane storage solutions for manufacturing industries | $32M | 55 mo ago | 5 | Sam Newman CEO | Cart FunctionalityWordPressMySQL+26 | Top 5M | — | — |
| 7 | I Peace Manufacturer and supplier of clinical and research-grade iPS cells 53Patents top 18%Funding top 24%Innovation top 26%Moat top 41% All 6 signals ▾Patentstop 18% Fundingtop 24% Innovationtop 26% Moattop 41% Globalbottom 43% Marketbottom 33% Patents: 221 patents matched (strict assignee match) · 113 filings since 2022 vs 108 in 2017-21 Funding: Raised $26.3M across 2 rounds · 2 rounds over 5 yrs (0.4/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $26M | 19 mo ago | 32 | — | — | — | 221 patents Cell therapy manufacturing and stem cell production equipment and methods | — |
| 8 | Luna Diabetes Developer of automated insulin delivery system for insulin pen users. 29Funding top 22%Talent top 38%Tech top 49%Global bottom 45% All 5 signals ▾Fundingtop 22% Talenttop 38% Techtop 49% Globalbottom 45% Marketbottom 11% Funding: Raised $23.6M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 29/100 | $24M | 10 mo ago | 8 | John Sjolund Co-Founder & CEO | WebflowGSAPMicrosoft Advertising+18 | Top 50M | — | — |
| 9 | Eva Automation Manufacturer of computers and electronics | $20M | — | 5 | — | — | — | 157 patents Wireless audio synchronization, speaker array signal processing, and reliable communication protocols | — |
| 10 | Technical Sales International Design technology firm serving the AEC, ENI, and manufacturing industries | $16M | 195 mo ago | 13 | — | — | — | — | — |
| 11 | Pathmind Provider of project based AI consulting and IoT services | $15M | 90 mo ago | 11 | Chris Nicholson Founder & CEO | Facebook LoginVarnishBootstrap+18 | Top 10M | — | — |
| 12 | Xcelaero Manufacturer of industrial fans | $14M | 170 mo ago | — | — | — | — | 37 patents Advanced low-noise axial fan designs with integrated acoustic treatment for HVAC and industrial airflow. | — |
| 13 | Ebert Composites Manufacturer of advanced composite materials and pultrusion equipment | $12M | 171 mo ago | — | Dave Johnson Owner & CEO | — | — | 85 patents Thermoplastic composite pultrusion and tubular forming for advanced aerospace structures | — |
| 14 | ThinGap Provider of slotless motor kits for applications requiring smooth, precise motion | $10M | 83 mo ago | 21 21 → 26 (+24%) · sector median +18% | — | WordPressMySQLPHP+21 | Top 10M | 20 patents High-efficiency electric machine stators and laminated stack motor designs using advanced composites. | — |
| 15 | OK Stone Manufacturer of quartz slabs 24Funding top 29%Talent bottom 49%Global bottom 34%Tech bottom 25% All 4 signals ▾Fundingtop 29% Talentbottom 49% Globalbottom 34% Techbottom 25% Funding: Raised $10.2M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 24/100 | $10M | 11 mo ago | — | Oren Klaff CEO | WordPressMySQLPHP+16 | Top 50M | — | — |
| 16 | Layup Parts Startup specializing in automation for composite manufacturing processes | $9M | 25 mo ago | — | Elisa Suarez Pe Co-Founder and COO | Framer SitesApple iCloud MailReact+6 | Top 50M | — | 1 job opening |
| 17 | Direct Surety Surety bond platform for contractors 35Talent top 15%Innovation top 20%Product top 40%Funding bottom 41% All 6 signals ▾Talenttop 15% Innovationtop 20% Producttop 40% Fundingbottom 41% Globalbottom 25% Marketbottom 10% Talent: Analyst team rating 5/5 Innovation: 4 product lines rank vs industry peers · Fliar Intelligence Index 35/100 | $9M | 120 mo ago | 3 | — | — | — | — | — |
| 18 | HEN Nozzles Manufacturer of high efficiency nozzles | $8M | 20 mo ago | 9 | — | Wix eCommerceWixSentry+22 | Top 10M | — | — |
| 19 | Elite Aerospace Group Aircraft component design, engineering and manufacturing company | $7M | 105 mo ago | 24 | — | — | — | — | — |
| 20 | Spector AI-powered platform designed for industrial asset health management 37Talent top 28%Funding top 36%AI top 45%Tech bottom 42% All 6 signals ▾Talenttop 28% Fundingtop 36% AItop 45% Techbottom 42% Globalbottom 36% Marketbottom 25% Talent: 4 named leaders on record · 4 C-suite/founder profiles curated Funding: Raised $6.4M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 37/100 | $6M | 5 mo ago | — | Nikhil Chauhan Co-Founder & Chief Commercial Officer | TurbopackApple iCloud MailNode.js+10 | Top 50M | — | 1 launch |
| 21 | CellTech Metals Provider of photographic equipment, accessories, and online sales | $6M | 28 mo ago | 8 | — | — | — | 50 patents Lightweight sandwich panel structures and tooling for cargo trailers and transport vehicles | — |
| 22 | QuoteBeam Provider of equipment manufacturing and supplying services | $4M | 46 mo ago | 12 | Andrew Khor Co-Founder | — | — | — | — |
| 23 | Limelight Steel Provider of steel manufacturing services 37Innovation top 32%Patents top 33%Funding top 34%Growth top 35% All 8 signals ▾Innovationtop 32% Patentstop 33% Fundingtop 34% Growthtop 35% Talentbottom 45% Techbottom 37% Globalbottom 35% Marketbottom 9% Innovation: 14 patents (top 48% of patent-holders) · 14 filings since 2022 vs 0 in 2017-21 Patents: 14 patents matched (strict assignee match) · 14 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 37/100 | $3M | 7 mo ago | 4 | Andy Zhao Co-Founder | WebflowjsDelivrCloudflare+5 | Top 10M | 14 patents Laser-driven photonic furnaces for efficient metal smelting and oxide reduction | — |
| 24 | Gener8 Designs, develops, and manufactures medical instruments | $3M | 59 mo ago | 8 | Jerry Jurkiewicz Bse Chief Executive Officer | WordPressMySQLPHP+27 | Top 10M | 12 patents Automated high‑throughput biochemical assay instruments and multilayer waveguide optical gyroscopes | 9 job openings |
| 25 | Creative Electron Manufacturer of x-ray inspection systems | $1M | 190 mo ago | 21 21 → 45 (+114%) · sector median +18% | Bill Cardoso CEO | WordPressMySQLPHP+23 | Top 10M | — | 1 launch |
| 26 | TM Process & Controls Provider of designing and automation consulting services | $1M | 25 mo ago | 19 19 → 42 (+121%) · sector median +18% | Niniv Tamimi Co-Founder | — | — | 86 patents Variable-capacity refrigeration compressor control and diagnostics for efficient cooling systems | 1 job opening · 1 internship |
| 27 | IDEO Design and innovation Agency | $1M | 124 mo ago | 600 | — | WebflowApple iCloud MailGoogle Workspace+19 | Top 1M | — | — |
| 28 | RTC Aerospace Aerospace precision manufacturing centers | $1M | 168 mo ago | 125 | — | Apple iCloud MailMicrosoft 365Node.js+15 | Top 10M | — | — |
| 29 | Omni Lite Industries Contract manufacturer of engineered fasteners and components for aerospace and defense | $969K | 53 mo ago | 41 | David Grant CEO | Apache HTTP ServerCloudflarecdnjs+4 | Top 50M | — | — |
| 30 | ALVA Manufacturing Manufacturer of critical and structural components | $800K | 67 mo ago | 13 | Tam Nguyen Founder & CEO | ZURB FoundationApache HTTP ServerCloudflare+6 | Top 50M | — | — |
| 31 | Chatsworth Provider of data center services | $678K | 17 mo ago | 492 492 → 466 (-5%) · sector median +18% | — | Kontent.aiNode.jsAzure Front Door+17 | Top 5M | — | 1 launch |
| 32 | Clip Automation Provider of robotics and automation services for product manufacturing industries | $600K | 66 mo ago | 8 | Rajeev Bhalla Co-Founder & CEO | — | — | — | — |
| 33 | INFITECH Provider of product installation and services | $500K | 187 mo ago | 31 | Takamasa Hosoi president/CEO | — | — | — | — |
| 34 | Foli Research Provider of foli research and advanced manufacturing services | $430K | 59 mo ago | — | Sam Calisch Founder | — | — | — | — |
| 35 | Biosero Provider of software solutions to automate laboratory workflows | $286K | 66 mo ago | 123 123 → 100 (-19%) · sector median +18% | Tom Gilman CEO | WordPressApple iCloud MailMySQL+23 | Top 10M | 32 patents Automated laboratory workflow orchestration, data integration, and robotic workcell coordination. | 1 launch |
| 36 | FlowEQ Manufacturer of automation solutions | $125K | 60 mo ago | 11 | Brittani McCall Co-Founder | — | — | — | — |
| 37 | Zircon Provider of stud finders, wall scanners, and other tools for construction and home improvement projects | $100K | 32 mo ago | 100 | — | WordPress Block EditorWordPressMySQL+23 | Top 5M | 158 patents Through-barrier imaging for non‑destructive detection of hidden objects using electromagnetic sensing. | 1 launch |
| 38 | Copsys Corrosion management system provider | $50K | 68 mo ago | — | Icd Mike Maguire President and CEO | — | — | — | 1 award |
| 39 | Avisa Myko Manufacturer of water soluble and affordable melanin products | $7K | 65 mo ago | 4 | Ravi Adgulwar Co-Founder & CEO | — | — | 10 patents UV and ionizing radiation shielding formulations using melanin and nano‑lignin | — |
| 40 | Jacobs Professional, technical, and construction service provider | — | 28 mo ago | 60,000 60,000 → 66,717 (+11%) · sector median +18% | — | DrupalApple iCloud MailPHP+24 | Top 500k | 15 patents Wear-resistant hammer mill components and assembly methods for industrial grinding equipment | 1 award |
Top 12 Manufacturing Services companies in California
#1
Funding Raised · Santa Monica, California · founded 2003$142.3Mraised▾
Designer and manufacturer of custom particle accelerator systems. This entity designs, prototypes, manufactures, and validates electron beam and X-ray sources for various applications. These include medical radiation therapy, cargo inspection, and food sterilization systems. Additionally, they offer complete linac systems and components for research applications in national laboratories and universities, supporting full facility build-outs. Their services extend to research and development in beam physics, security, and microwave technologies. They utilize advanced manufacturing techniques, including 3-D printing, to create innovative solutions.
- Aug 2025Grant (prize money)$1.3M
- Jul 2025Grant (prize money)$105.8K
- May 2025Grant (prize money)$2.3M
- Apr 2025Grant (prize money)$2.4M
#2
Series A · San Jose, California · founded 2023$6.4Mraised▾
AI-powered platform designed for industrial asset health management. The platform uses pre-built connectors for data contextualization into an asset health knowledge graph, a foundation model trained on industrial data for quick custom models, and multi-modal AI agents for real-time asset health support. It integrates via open APIs with systems like SAP, IBM Maximo, esri, and PCMS.
- Jan 2026Series A$6.4M
#3
Series A · San Diego, California · founded 2020 · 8 employees$23.6Mraised▾
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- Aug 2025Series A$23.6M
#4
Seed · San Diego, California · founded 2021 · 4 employees$3.2Mraised▾
Manufacturer of zero-emissions steel intended to make a positive impact on the environment. The company helps to convert iron ore into steel products reducing the energy required to produce a ton of steel, enabling industries to pave a path toward abundant clean steel.
- Oct 2025Grant (prize money)$2.9M
- May 2024Grant (prize money)$275K
- Seed—
#5
Series A · Carlsbad, California · founded 2023$10.2Mraised▾
Manufacturer of quartz slabs. It offers slabs for use as countertop and tile materials.
- Jun 2025Series A$5.2M
- Jan 2024Series A$5M
#6
Series B · Palo Alto, California · founded 2015 · 32 employees$26.3Mraised▾
Manufacturer and supplier of clinical and research-grade iPS cells
- Oct 2024Series B$9.7M
- Jun 2021Series B$17.8M
#7
Seed · Castro Valley, California · founded 2019 · 9 employees$8Mraised▾
Developer and manufacturer of water nozzles intended to provide customers with high-pressure water dispensing technologies. The company's nozzles adopt modern design controls and minimize the residual pressure while having high penetration and cooling range, providing users with an everyday cleaning tool for their homes and gardens and enabling firefighters to douse the fire and control emergency fire accidents efficiently.
#8
Funding Raised · Simi Valley, California · founded 1991 · 492 employees$678.3Kraised▾
Provider of data center services
- Jan 2025Grant (prize money)$678.3K
#9
Series A · Huntington Beach, California · founded 2024$9Mraised▾
Layup Parts is a startup bringing automation to composites manufacturing with a focus on faster composites. The company is led by an elite team solving complex industry problems. Their platform streamlines the process of manufacturing composite rotor blades.
- May 2024Series A$9M
#10
Series A · San Diego, California · founded 2005 · 8 employees$6.3Mraised▾
Provider of photographic equipment, accessories, and online sales. It offers a wide selection of cameras, camcorders, and related accessories from major brands. The company also provides photography services and operates an e-commerce platform for online purchasing. Customers can find various products, including lenses, memory cards, tripods, and camera bags. The online store facilitates easy selection and online payment for purchases.
- Feb 2024Series A$1M
- Aug 2018Series A$3.2M
- Jul 2017Seed$797.9K
- Mar 2015Seed$200K
#11
Series C · Pico Rivera, California · founded 1998 · 5 employees$31.5Mraised▾
Provider of propane storage solutions for manufacturing industries
- Nov 2021Series C$31.5M
- Nov 2021Conventional Debt—
#12
Series B · San Francisco, California · founded 1996 · 100 employees$77Mraised▾
Provider of end-to-end product development and supply chain solutions. This includes NPI planning, design and development, manufacturing management, fulfillment, and direct-to-consumer transformation services. They source manufacturing partners, validate production, and optimize supply chains for revenue and profit. Services span various sectors, including personal care, health and wellness, home and lifestyle, and consumer electronics. The company supports clients throughout the product lifecycle, from initial concept to market delivery, emphasizing design intent and sustainability.
- Jun 2011Series B$30M
- Feb 2011Series B$26M
- Sep 2008Series A$21M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Manufacturing Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Additive Manufacturing in California is moving
A read on the academic research around Additive Manufacturing in California — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 455 papers.
California's UC Berkeley, USC, and UCLA lead additive-manufacturing research across 3D printing technologies, biomedical applications, and advanced materials, with an optimistic tone favoring breakthroughs and advancements over concerns.
- University of California, Berkeley80
- University of Southern California70
- University of California, Los Angeles40
- University of California, Davis36
- University of California San Diego35
- 3D printing14→60
- Nanotechnology4→18
- Fabrication7→19
- Composite material1→10
- Microfluidics1→9
- 3D printing17→53
- Fabrication4→16
- Fused deposition modeling2→10
- Composite material2→10
- Nanotechnology9→15
- 3D printing3→9
- Nanotechnology2→3