Which GSA SINs have the most published labor rates?
SIN 54151S carries the most published GSA Schedule labor rates, 116,106 from 3,473 vendors at a median of $130 per hour; the five busiest SINs account for 54.1% of all 349,262 published rates.
Source: The GSA Labor Rate Lookup (full CALC+ export), BidSparq
Data as of: September 9, 2026 (refreshed weekly)
Sample: 349,262 published rates across every SIN in the CALC+ export, as of 2026-09-09
License: free to cite with attribution to BidSparq
Essential statistics
- Top three SINs: 54151S (116,106 rates, median $130); 541611 (27,524 rates, median $129); 518210C (16,200 rates, median $152).
- Highest median among the top 15: 518210C at $152; lowest: 561320 at $51.
- Vendors with published rates on the busiest SIN: 3,473, the deepest competitive set on the Schedule.
Top 15 SINs by published labor rates
| Rank | SIN | Published rates | Vendors | Median rate |
|---|---|---|---|---|
| 1 | 54151S | 116,106 | 3,473 | $130 |
| 2 | 541611 | 27,524 | 1,566 | $129 |
| 3 | 518210C | 16,200 | 806 | $152 |
| 4 | 54151HEAL | 14,735 | 492 | $128 |
| 5 | 54151HACS | 14,465 | 552 | $143 |
| 6 | 561210FAC | 7,209 | 326 | $81 |
| 7 | 541330ENG | 7,043 | 356 | $126 |
| 8 | 611430 | 3,393 | 243 | $111 |
| 9 | 561320 | 3,281 | 68 | $51 |
| 10 | 541620 | 2,613 | 154 | $105 |
| 11 | 541330ENG,541380,541420,541715 | 2,343 | 67 | $126 |
| 12 | 541611,611430 | 2,125 | 111 | $128 |
| 13 | 541715 | 1,585 | 81 | $119 |
| 14 | 541614SVC | 1,484 | 71 | $83 |
| 15 | 512110 | 1,480 | 95 | $93 |
What this means
A Special Item Number groups Schedule offerings by service type; IT professional services (54151S) dominates the published rate corpus. More published rates on a SIN means more price transparency for buyers and more competitors for sellers.
Each SIN has its own rate card page on BidSparq with vendor-level percentiles, linked from the contract vehicles hub.
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