Custom bicycle frame manufacturing / fabrication (R+E Cycles, Seattle since 1973)

Rodriguez Bicycles

● Greater Seattle · WA

Sage Science, Inc.

● Greater Boston · MA

Bicycle manufacturing — adventure / gravel frames (QBP brand)

Salsa Cycles

● Twin Cities · MN

Hardware

Sensi Fit

● Pittsburgh

Advanced Materials

Setex Technologies

● Pittsburgh

Defense

Sierra Space

● Boulder · CO

Durable Goods

SimpliSafe

● Greater Boston · MA

Singularity Defense

Skapion

● Greater Washington (DMV) · DC

SMITHS TUBULAR SYSTEMS-LACONIA, INC.

Chemical / clean manufacturing

Solidec

● Greater Houston · TX

SONO TEK CORP (SOTK)

Source

● Greater Portland (OR) · OR

Advanced Materials

Space Precision Systems

● Pittsburgh

Spirit AeroSystems

● Wichita · KS

Surveillance Radar

SpotterRF

STARC Systems

● Unassigned · ME

STEIN SEAL COMPANY

Defense / Aerospace

Stoke Space

● Greater Seattle · WA

Thermoplastic extruders for large-scale 3D printing

Strangpresse

● Youngstown · OH