Best Manufacturing Services Companies in Tennessee, United States
The 76 best Manufacturing Services companies in Tennessee, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Ams Corp.
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 Tennessee
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ams Corp Provider of instrumentation and control system testing equipment and services for nuclear facilities 53Innovation top 36%Funding top 37%Patents top 37%Tech top 44% All 7 signals ▾Innovationtop 36% Fundingtop 37% Patentstop 37% Techtop 44% Producttop 46% Marketbottom 36% Globalbottom 33% Innovation: 47 patents (top 24% of patent-holders) · 19 filings since 2022 vs 25 in 2017-21 Funding: Raised $63.2M across 37 rounds · 37 rounds over 20 yrs (1.9/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $63M | 14 mo ago | Funding Raised | — | 1994 | WordPressMySQLPHP+29 | 47 patents Bowfishing reels and accessories; precision fluid dispensing mechanisms for portable containers. | — |
| 2 | NWI Aerostructures Manufacturer of wing, stabilizer, fittings, and rudder & elevator assemblies | $25M | 46 mo ago | Funding Raised | — | 2021 | WordPressApple iCloud MailMySQL+17 | — | 1 job opening |
| 3 | Fulton Bellows Custom precision seamless metallic bellow solutions provider, offering bespoke bellows assemblies and… | $24M | 315 mo ago | Acquired | — | 1904 | — | — | — |
| 4 | SiC Systems Manufacturer of measuring and control instruments 50Funding top 36%Talent top 38%Global bottom 48% All 3 signals ▾Fundingtop 36% Talenttop 38% Globalbottom 48% Funding: Raised $2.3M 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 50/100 | $2M | 8 mo ago | Seed | Christopher Brown Co-Founder | 2025 | — | — | 3 partnerships |
| 5 | Kimura Foundry Provider of rapid prototype castings using 3D-printed sand molds | $38K | 67 mo ago | Seed | Kazutoshi Kimura CEO & President | 2018 | WordPressMySQLPHP+18 | — | — |
| 6 | TIE Industrial Provider of electronic repair services | — | 141 mo ago | Acquired | — | 1992 | Craft CMSPHPYii+14 | — | — |
| 7 | International Paper Manufacturer of paper and packaging products | — | 283 mo ago | Public | Andrew Silvernail CEO | 1898 | Cart FunctionalityDrupalPHP+27 | — | 2 expansions · 1 award |
| 8 | acme industrial Acme Industrial offers welding, piping system and lifting device fabrication, maintenance and modification… | — | — | Acquired | — | 1968 | — | — | — |
Top 6 Manufacturing Services companies in Tennessee
#1
Funding Raised · Knoxville, Tennessee · founded 1994 · 53 employees$63.2Mraised▾
Provider of instrumentation and control system testing equipment and services for nuclear facilities. This includes performance testing of I&C systems, EMC qualification and testing, cable aging and condition monitoring, and rod control system testing. Services also encompass EMI/RFI troubleshooting and materials testing for electrical cable insulation. The company offers turn-key EMC solutions and develops custom data acquisition platforms. They provide training and support for these services.
- Apr 2025Grant (prize money)$399.9K
- Aug 2023Grant (prize money)$399.9K
- Jun 2022Grant (prize money)$1.5M
- Jun 2021Grant (prize money)$199.7K
#2
Seed · Nashville, Tennessee · founded 2025$2.3Mraised▾
Manufacturer of measuring and control instruments
- Oct 2025Seed$2.3M
#3
Funding Raised · Nashville, Tennessee · founded 2021 · 284 employees$25Mraised▾
Manufacturer of wing, stabilizer, fittings, and rudder & elevator assemblies
- Aug 2022Conventional Debt$25M
#4
Acquired · Knoxville, Tennessee · founded 1904 · 147 employees$24.5Mraised▾
Fulton Bellows is the oldest manufacturer of seamless metal bellows. Our founder Weston Fulton, patented the device in 1901 and built his first factory in 1904 in Knoxville, TN.
#5
Seed · Shelbyville, Tennessee · founded 2018$38Kraised▾
Provider of rapid prototype castings using 3D-printed sand molds. This process allows for the production of high-quality castings in a short timeframe. The company offers a complete in-house production approach, encompassing engineering, design, simulation, 3D printing, and quality control. Castings are made from various materials including cast iron, cast steel, and aluminum alloys. The service is well-suited for rapid prototyping, small-volume production, and the creation of service parts. Advanced technologies, such as high-speed casting simulation software and in-house CT scanning, ensure quality and precision.
- Oct 2020Grant (prize money)$38K
- Aug 2020Seed—
#6
Acquired · La Vergne, Tennessee · founded 1992 · 57 employees—raised▾
Provider of electronic repair services
- Sep 2014PE—
Funding & investor landscape
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 Tennessee is moving
A read on the academic research around Additive Manufacturing in Tennessee — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 97 papers.
- University of Tennessee at Knoxville64
- Tennessee Technological University19
- University of Tennessee at Chattanooga5
- Tennessee State University3
- University of Tennessee System3
- 3D printing10
- Fabrication6
- Composite material6
- Epoxy4
- Selective laser melting3
- Extrusion2→8
- 3D printing5→10
- Composite material5→8
- Fused deposition modeling1→4
- Layer (electronics)1→3
- 3D printing1→5