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Welcome to COMMBUYS

COMMBUYS is the only official procurement record system for the Commonwealth of Massachusetts' Executive Departments. COMMBUYS offers free internet-based access to all public procurement information posted here in order to promote transparency, increase competition, and achieve best value for Massachusetts taxpayers.

Please be advised the COMMBUYS Help Desk will be closed January 21st in observance of Martin Luther King Day. We re-open Tuesday, January 22nd, at 8 AM (EST).

For more information on COMMBUYS please visit the COMMBUYS support pages.

Buyer Training Resources:
Buyer Training Overview
Job Aids for Buyers
Buyer Webcast Training

Vendor Training Resources:
Vendor Training Overview
Job Aids for Vendors
Vendor Webcast Training

Local Government Resources:
Posting a Bid Notice on COMMBUYS – Quick Reference Guide

Information about Statewide Contract Purchasing:
Statewide Contract Index | Contract User Guides | Procurement Schedule
(NEW!) Tradespersons Contract Index

UNSPSC Look-Up Tool for Buyers and Vendors:
UNSPSC Look-Up Tool
UNSPSC Look-Up Tool Instructions

If you have any questions or concerns contact the COMMBUYS Help Desk at or ring us during normal business hours (8am - 5pm ET Monday - Friday) at 1-888-627-8283 or 617-720-3197.

Attention Vendors: 135 Newly posted bids – Week starting 1/14