General information for Abacus Corporation
Physical address
610 Gusryan St, Baltimore, Md, 21224
Mailing address
610 Gusryan Street, Baltimore, MD, 21224
Website
abacuscorporation.com
Points of contact for Abacus Corporation
SAM.gov Points of Contact
DREW
Davanzo
Government Business POC
Alternate Electronic Business POC
610 GUSRYAN STREET, BALTIMORE, MD, 21224
Michele
Massaro
Alternate Government Business POC
Electronic Business POC
610 Gusryan Street, Baltimore, MD, 21224
Additional contact details may be available
NAICS codes for Abacus Corporation
| Code | Description | Small Business |
|---|---|---|
|
561320
PRIMARY
|
Temporary Help Services
|
No
|
| 561110 | Office Administrative Services | No |
| 561311 | Employment Placement Agencies | No |
| 561312 | Executive Search Services | No |
|
561330
|
Professional Employer Organizations
|
No
|
|
561499
|
All Other Business Support Services
|
No
|
|
561720
|
Janitorial Services
|
No
|
|
561790
|
Other Services to Buildings and Dwellings
|
No
|
Update history
3 change(s) tracked
Aug 8, 2026
Added NAICS 561110 — Office Administrative Services
Added NAICS 561311 — Employment Placement Agencies
Added NAICS 561312 — Executive Search Services
Added NAICS 561330 — Professional Employer Organizations
Added NAICS 561499 — All Other Business Support Services
Added NAICS 561720 — Janitorial Services
Added NAICS 561790 — Other Services to Buildings and Dwellings
NAICS 561320: small-business status Yes → No
Aug 8, 2026
Government business contact updated
Electronic business contact updated
Alternate government business contact updated
Alternate electronic business contact updated
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