PSC 66: Instruments and Laboratory Equipment
Product group
Code facts
- Codes under it
- 20
- Contract awards
- 222,430 In the last 12 months
- Contract obligations
- $3,648,939,503 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $15,453,879 |
| FY2026 | $3,071,906,062 |
| FY2025 | $3,648,939,503 |
| FY2024 | $3,835,174,603 |
| FY2023 | $5,195,799,000 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Government Scientific Source Inc. | $94,913,025 | |
| 2 | Astronics Test Systems Inc. | $90,697,556 | |
| 3 | Technical Communities, Inc. | $78,890,683 | |
| 4 | Rapiscan Systems Inc. | $74,373,699 | |
| 5 | Abbott Laboratories Inc. | $65,968,194 | |
| 6 | Leidos, Inc. | $58,398,179 | |
| 7 | Lockheed Martin Corporation | $56,409,379 | |
| 8 | Roche Diagnostics Corporation | $56,026,948 | |
| 9 | Howmedica Osteonics Corp | $55,839,172 | |
| 10 | Chemring Sensors And Electronic Systems, Inc. | $55,583,334 |
See the full FY2025 ranking of PSC 66 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Defense Logistics Agency | $789,880,329 | |
| 2 | Department of the Army | $394,787,947 | |
| 3 | Department of the Navy | $371,165,529 | |
| 4 | Department of Veterans Affairs | $298,338,485 | |
| 5 | Department of Homeland Security | $281,254,194 | |
| 6 | Air Force | $236,091,228 | |
| 7 | Department of Health and Human Services | $168,022,076 | |
| 8 | Department of Transportation | $99,033,207 | |
| 9 | Department of Commerce | $85,063,954 | |
| 10 | Department of Agriculture | $78,980,172 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 334516 Analytical Laboratory Instrument Manufacturing | $626,324,443 | |
| 2 | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | $555,394,731 | |
| 3 | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $298,201,319 | |
| 4 | 334519 Other Measuring and Controlling Device Manufacturing | $294,395,968 | |
| 5 | 334517 Irradiation Apparatus Manufacturing | $234,084,324 | |
| 6 | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | $221,663,675 | |
| 7 | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | $128,457,804 | |
| 8 | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | $113,843,280 | |
| 9 | 443120 Computer and Software Stores | $70,691,579 | |
| 10 | 334412 Bare Printed Circuit Board Manufacturing | $55,720,353 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | California | $531,002,038 | |
| 2 | Florida | $386,861,076 | |
| 3 | Virginia | $256,037,544 | |
| 4 | Maryland | $188,301,684 | |
| 5 | New Jersey | $126,998,950 | |
| 6 | Massachusetts | $124,056,592 | |
| 7 | New York | $122,027,665 | |
| 8 | Pennsylvania | $106,493,836 | |
| 9 | North Carolina | $100,871,449 | |
| 10 | Texas | $93,316,172 | |
| 11 | Illinois | $75,583,448 | |
| 12 | Georgia | $72,367,726 | |
| 13 | Michigan | $57,369,420 | |
| 14 | Missouri | $54,088,898 | |
| 15 | Ohio | $53,432,910 | |
| 16 | Iowa | $50,276,360 | |
| 17 | Indiana | $41,873,575 | |
| 18 | Colorado | $41,381,246 | |
| 19 | Oklahoma | $35,296,063 | |
| 20 | District of Columbia | $32,435,727 | |
| 21 | Washington | $31,219,890 | |
| 22 | Arizona | $28,367,677 | |
| 23 | Connecticut | $27,331,762 | |
| 24 | Minnesota | $23,049,389 | |
| 25 | Utah | $17,334,310 | |
| 26 | Wisconsin | $16,652,460 | |
| 27 | Alabama | $15,230,471 | |
| 28 | Tennessee | $12,791,199 | |
| 29 | Delaware | $11,786,944 | |
| 30 | Oregon | $11,704,820 | |
| 31 | Montana | $11,391,689 | |
| 32 | Kentucky | $11,118,923 | |
| 33 | Kansas | $8,218,845 | |
| 34 | Wyoming | $8,200,540 | |
| 35 | Vermont | $6,882,379 | |
| 36 | South Carolina | $6,851,899 | |
| 37 | Rhode Island | $6,686,862 | |
| 38 | Arkansas | $6,342,089 | |
| 39 | Nevada | $5,722,144 | |
| 40 | Mississippi | $5,649,655 | |
| 41 | Louisiana | $5,180,144 | |
| 42 | New Mexico | $4,576,051 | |
| 43 | Alaska | $4,475,996 | |
| 44 | North Dakota | $4,271,024 | |
| 45 | Nebraska | $4,107,334 | |
| 46 | New Hampshire | $3,703,916 | |
| 47 | Hawaii | $2,904,601 | |
| 48 | South Dakota | $2,321,371 | |
| 49 | Maine | $1,635,418 | |
| 50 | Idaho | $1,287,634 | |
| 51 | West Virginia | $1,254,845 | |
| 52 | Puerto Rico | $897,949 | |
| 53 | Guam | $325,676 |
Show all 53
Shares are of everything obligated under PSC 66 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 39 more
Latest 49 of 90,718 listed here. See the rest on GovTribe.
Codes under 66
Show all 20
Definition
Infrared assemblies (including sub-assemblies and components) designed specifically for use as or with instruments and laboratory equipment are included in the classes of this group. Also included are computers (including computer assemblies, computer systems and components) designed specifically for use with instruments and laboratory equipment
Quick answers
What is PSC 66?
PSC 66 is Instruments and Laboratory Equipment, a product group of the Federal Product and Service Codes.
What codes are under PSC 66?
PSC 66 has 20 codes under it with their own GovTribe pages, including 6605 Navigational Instruments, 6610 Flight Instruments and 6615 Automatic Pilot Mechanisms and Airborne Gyro Components.
How much do federal agencies spend under PSC 66?
Federal contracts under PSC 66 obligated $3,648,939,503 in fiscal year 2025 and $15,767,273,046 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC 66?
The contractors with the most obligated under PSC 66 in fiscal years 2026 and 2027 are Government Scientific Source Inc. ($94,913,025); Astronics Test Systems Inc. ($90,697,556); and Technical Communities, Inc. ($78,890,683).
Which agencies buy the most under PSC 66?
The agencies that obligated the most under PSC 66 in fiscal years 2026 and 2027 are Defense Logistics Agency ($789,880,329), Department of the Army ($394,787,947) and Department of the Navy ($371,165,529).
Which NAICS codes are used with PSC 66?
The NAICS codes with the most obligated under PSC 66 in fiscal years 2026 and 2027 are 334516 Analytical Laboratory Instrument Manufacturing; 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers; and 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing.
Where is the work under PSC 66 performed?
By place of performance, the states with the most contract obligations under PSC 66 over the last 12 months are California ($531,002,038), Florida ($386,861,076) and Virginia ($256,037,544).
What is the latest contract opportunity under PSC 66?
The latest contract opportunity under PSC 66 is Meter, flow rate IND, solicitation from Aviation (DLA), posted October 22, 2026.
On GovTribe
See everything under PSC 66
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