01
Janitorial Services
Recurring custodial and deep-cleaning programs for offices, public buildings, and specialized facilities — built around your security and scheduling needs.
- Day & night porter service
- Floor care & disinfection
Maryland-Based Government ContractorSAM.gov Ready
Maryland Government Contractor
Reliable Facility &
General Services.
McCullough General Services LLC delivers professional, cost-effective janitorial, facility support, grounds, administrative, and logistics solutions to government agencies and commercial clients across Maryland and the surrounding region.
Core Services
Full-Service Government Contracting
Six service lines, one accountable partner. We staff, supervise, and report on every contract so your team can focus on mission, not operations.
02
Facility Support
Day-to-day facility operations including minor repairs, building inspections, supply restocking, and coordination with on-site teams.
- Preventive maintenance
- Vendor coordination
03
Grounds Maintenance
Year-round landscape, lawn, and exterior upkeep that keeps government and commercial properties presentable and code-compliant.
- Lawn & landscape care
- Snow & ice management
04
Administrative Support
Trained personnel for reception, records management, data entry, and clerical support tailored to agency processes and confidentiality requirements.
- Records & data entry
- Front-desk & reception
05
Logistics Assistance
Supply handling, inventory control, shipping, receiving, and warehouse support for federal, state, and commercial operations.
- Inventory & warehousing
- Shipping & receiving
06
General Business Services
Flexible contract solutions for one-off projects, surge support, and ongoing operational needs — scoped to your statement of work.
- Custom SOW delivery
- Surge & event staffing
Why McCullough
Built for government work.
We compete on execution. Every contract is staffed by trained personnel, supervised in person, and reported with the documentation contracting officers expect.
Reliability
Consistent performance and clear communication on every contract — no missed shifts, no surprises.
Professionalism
Trained, uniformed, and supervised personnel who represent your facility with care.
Cost-Effective
Right-sized teams, transparent pricing, and disciplined scheduling that keep budgets in line.
Local Accountability
Maryland-based ownership and on-the-ground supervision — decisions made close to the work.
Capability Statement
McCullough General Services LLC is a Maryland-based small business providing facility and general services to government agencies and commercial clients.
Request Full Statement →Company
McCullough General Services LLC
Headquarters
Maryland, USA
Business Type
LLC · Small Business
SAM.gov Registered
Yes
UEI
QPBEMLB4PM33
CAGE Code
To Be Updated
DUNS
145043286
Service Area
Maryland & Surrounding Region
Core NAICS
561720 Janitorial · 561210 Facilities Support
Additional NAICS
561730 Landscaping · 561110 Admin Services · 493110 Warehousing
Primary Email
mcculloughgsllc@gmail.com
Primary Phone
443-514-5033
Certifications
Qualified Today. Expanding Tomorrow.
McCullough General Services LLC is a Maryland-based small business actively pursuing additional federal, state, and local certifications to better serve government contracts.
Current
Current Certifications
- Small Business
- Maryland-Based Business
In Progress
Future Certifications
- MBE (if applicable)
- DBE (if applicable)
- SBA Certifications
Get In Touch
Request a quote or capability statement.
Tell us about your contract or project. We respond to all inquiries within one business day.