What is Abacus Corporation's NAICS code?

Abacus Corporation's NAICS code is 5613 (Employment Services).

Insights

Labor relations Unfair labor practice strike activity involving Abacus Corporation indicates potential risk and demand for compliant workforce management solutions, union-free compliance support, and enhanced vendor management to minimize disruptions.

Security staffing The involvement of non-union city and contracted security officers suggests opportunities to cross-sell security services staffing, training, and compliance programs to stabilize on-site operations for clients.

Growth platform Position Abacus as a multi-brand workforce solution provider with capabilities across staffing, solutions group, security services, and building services to target enterprises seeking integrated, one-vendor workforce management.

Mid-market focus Estimated revenue range and employee scale position Abacus to target mid-market firms seeking scalable staffing and outsourced services, particularly in industries with tight labor markets and compliance needs.

Tech footprint Legacy tech stack including QuickBooks and forms-based processes signals opportunity to modernize with cloud HRIS/ATS integrations, data analytics, and digital onboarding to improve efficiency and client reporting.

Similar companies to Abacus Corporation

Abacus Corporation Tech Stack

Abacus Corporation uses 8 technology products and services including QuickBooks Enterprise, Microsoft Excel, Google Forms, and more. Explore Abacus Corporation's tech stack below.

QuickBooks Enterprise
Accounting And Finance
Microsoft Excel
Editors
Google Forms
Online Form Builders
Windows 7
Operating Systems
Microsoft Windows
Operating Systems
Konica Minolta
Printers
ActionScript
Programming Languages
Google Analytics
Web Analytics

Media & News

Abacus Corporation had issues with unfair labor practice strike on Apr 9th '26.
Nearly a year after workers voted to authorize a strike, non-union city and commercially contracted security officers in Baltimore, Maryland, walked off the job on April 9 on an unfair labor practice strike against their employers, Abacus Corporation, Metropolitan Protective Services, and Urban Development Solutions.
May 27, 2026 | therealnews.com

Abacus Corporation's Email Address Formats

Abacus Corporation uses at least 1 format(s):

Abacus Corporation Email Formats	Example	Percentage
FLast@abacuscorporation.com	JDoe@abacuscorporation.com	60%
First.Last@abacuscorporation.com	John.Doe@abacuscorporation.com	27%
FirstLast@abacuscorporation.com	JohnDoe@abacuscorporation.com	10%
FirLast@abacuscorporation.com	JohDoe@abacuscorporation.com	3%

Frequently Asked Questions

What is Abacus Corporation's phone number?

You can contact Abacus Corporation's main corporate office by phone at

+1-410-633-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Abacus Corporation's official website and social media links?

Abacus Corporation's official website is abacuscorporation.com and has social profiles on LinkedIn.

How much revenue does Abacus Corporation generate?

As of July 2026, Abacus Corporation's annual revenue is estimated to be $250M - $500M.

What is Abacus Corporation's SIC code NAICS code?

Abacus Corporation's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 5613 - Employment Services.

How many employees does Abacus Corporation have currently?

As of July 2026, Abacus Corporation has approximately 386 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Chief Operating Officer: M. M.Chief Operating Officer: M. M.Chief Financial Officer & General Counsel: T. J.. Explore Abacus Corporation's employee directory with LeadIQ.

What industry does Abacus Corporation belong to?

Abacus Corporation operates in the Staffing and Recruiting industry.

What technology does Abacus Corporation use?

Abacus Corporation's tech stack includes QuickBooks EnterpriseMicrosoft ExcelGoogle FormsWindows 7Microsoft WindowsKonica MinoltaActionScriptGoogle Analytics.

What is Abacus Corporation's email format?

Abacus Corporation's email format typically follows the pattern of FLast@abacuscorporation.com. Find more Abacus Corporation email formats with LeadIQ.

When was Abacus Corporation founded?

Abacus Corporation was founded in 1944.

Abacus Corporation

Q: How many employees does Abacus Corporation have currently?

Abacus Corporation has approximately 386 employees.

Q: What technology does Abacus Corporation use?

Abacus Corporation's tech stack includes FedEx, Microsoft Outlook, Apache, GEODIS, Google Calendar.

Staffing and RecruitingMaryland, United States201-500 Employees

Abacus Corporation operates in the staffing and recruiting industry, offering a broad suite of staffing and workforce solutions. The company manages a multi-brand portfolio that includes Abacus Staffing Services, Abacus Solutions Group, Abacus Security Services, and Abacus Building Services. Based in Baltimore, Maryland, it maintains a mid-sized workforce to serve its client base.

Its clients range from organizations seeking temporary and permanent staffing to those needing security and facilities services, reflecting a diversified approach within corporate services. The business is privately held and positioned as a comprehensive provider within its sector, coordinating staffing and related services across its brand family. In April 2026, reports described an unfair labor practice strike involving security personnel connected to Abacus in Baltimore.