PSC 6636: Environmental Chambers and Related Equipment
6636 is the product and service code (PSC) federal agencies use for environmental chambers and related equipment, in the instruments and laboratory eqpt group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 0
- Spending, FY2026
- $10.5 million
- Share to small businesses
- 82%
Where 6636 sits in the PSC Manual
- Category: Product
- Group 66: Instruments and Laboratory Eqpt
- Code 6636: Environmental Chambers and Related Equipment
NAICS codes used with PSC 6636
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 6636 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 334519 | Other Measuring and Controlling Device Manufacturing | $16.8 million |
| 334516 | Analytical Laboratory Instrument Manufacturing | $6.1 million |
| 334515 | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | $5.1 million |
| 333415 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | $2 million |
| 333310 | Commercial and Service Industry Machinery Manufacturing | $2 million |
| 334513 | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | $972,938 |
Who buys under PSC 6636
Agencies with the most contract dollars under 6636 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $17.4 million |
| Department of the Navy | $13.2 million |
| Agricultural Research Service | $2.8 million |
| National Aeronautics and Space Administration | $2.3 million |
| Department of the Air Force | $1.9 million |
| National Institute of Standards and Technology | $584,484 |
| U.S. Secret Service | $553,082 |
| Forest Service | $316,785 |
Federal spending under PSC 6636 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $13.1 million |
| FY2025 | $17.6 million |
| FY2026 | $10.5 million |
| FY2027 (so far) | $0 |
Who wins PSC 6636 contracts
| Company | Obligated, last 3 years |
|---|---|
| Cedarville Engineering Group LLC | $13.3 million |
| Applied Physical Electronics, LC | $4.3 million |
| Venturedyne LTD | $2.2 million |
| Jiracor LLC | $2 million |
| Percival Scientific Incorporated | $1.4 million |
| Samyak Solutions, Inc. | $1.4 million |
| Linde Engineering North America LLC | $1.3 million |
| PPG Industries, Inc. | $809,017 |
| The Durbin Group LLC | $800,000 |
| Orbit Advanced Technologies, Inc. | $754,735 |
Related PSC codes
- 6605 Navigational Instruments
- 6610 Flight Instruments
- 6615 Automatic Pilot Mechanisms and Airborne Gyro Components
- 6620 Engine Instruments
- 6625 Electrical and Electronic Properties Measuring and Testing Instruments
- 6630 Chemical Analysis Instruments
- 6632 Analysis Instruments, Medical Laboratory Use
- 6635 Physical Properties Testing and Inspection
- 6640 Laboratory Equipment and Supplies
- 6645 Time Measuring Instruments
Frequently asked questions
What is PSC 6636?
6636 is the product code in the federal Product and Service Code (PSC) Manual for environmental chambers and related equipment, under 66 (Instruments and Laboratory Eqpt). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC 6636?
Most federal contract dollars under PSC 6636 go with NAICS 334519 (Other Measuring and Controlling Device Manufacturing), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC 6636?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. FedReady can match new ones to your business and email you, free.