Insights

Scale Readiness GRBS operates with a sizable workforce (201-500 employees) and annual revenue between $500M and $1B, indicating capacity to take on large, multi-site cleaning contracts for complex facilities such as government buildings, airports, and higher education campuses.

Diverse Market Exposure Established in the Midwest with experience across commercial offices, light industrial, K-12, government, healthcare, aviation, and universities, presenting cross-sell opportunities to expand into adjacent sectors and consolidate facilities portfolios.

Technology Enablement Core tech stack includes iCIMS, Google Workspace, Airtable and analytics tools, suggesting readiness to leverage digital onboarding, workforce management, and data-driven performance tracking to improve service quality and client reporting.

Stable Track Record A century-long industry presence (over 100 years as of 2015) and a robust regional position imply credibility with prospective facilities executives and strong case studies for performance, safety, and consistency in custodial services.

Competitive Positioning Compared peers range from sizable national builders to regional custodial leaders; GRBS could differentiate on integrated facility services, diverse client base, and potential for scalable sanitation and environmental hygiene programs across multiple sites.

Similar companies to GRBS Inc.

GRBS Inc. Tech Stack

GRBS Inc. uses 8 technology products and services including iCIMS, WordPress, Google Workspace, and more. Explore GRBS Inc.'s tech stack below.

GRBS Inc.'s Email Address Formats

GRBS Inc. uses at least 4 email formats:
GRBS Inc. Email FormatsExamplePercentage
FLast@grbsinc.comJDoe@grbsinc.com
90%
First.Last@grbsinc.comJohn.Doe@grbsinc.com
5%
FirstLast@grbsinc.comJohnDoe@grbsinc.com
3%
Last@grbsinc.comDoe@grbsinc.com
2%

Frequently Asked Questions

What is GRBS Inc.'s phone number?

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You can contact GRBS Inc.'s main corporate office by phone at . 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 GRBS Inc.'s official website and social media links?

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GRBS Inc.'s official website is grbsinc.com and has social profiles on LinkedIn.

How much revenue does GRBS Inc. generate?

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As of October 2026, GRBS Inc.'s annual revenue is estimated to be $500M - $1B.

What is GRBS Inc.'s SIC code and NAICS code?

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GRBS Inc.'s SIC code is 7342 - Disinfecting and Pest Control Services and NAICS code is 5612 - Facilities Support Services.

How many employees does GRBS Inc. have currently?

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As of October 2026, GRBS Inc. has approximately 270 employees across 1 continents, including North America. Key team members include President: C. H., President: D. N. and Partner: O. D. Explore GRBS Inc.'s employee directory with LeadIQ.

What industry does GRBS Inc. belong to?

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GRBS Inc. operates in the Facilities Services industry.

What technology does GRBS Inc. use?

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GRBS Inc.'s tech stack includes iCIMS, WordPress, Google Workspace, Lightbox, Airtable, New Relic, Piwik PRO Core and Facebook.

What is GRBS Inc.'s email format?

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GRBS Inc.'s email format typically follows the pattern of FLast@grbsinc.com. Find more GRBS Inc. email formats with LeadIQ.

When was GRBS Inc. founded?

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GRBS Inc. was founded in 1915.
GRBS Inc. logo

GRBS Inc.

Facilities ServicesMichigan, United States201-500 Employees

GRBS Inc. operates in the facilities services field, specializing in contract cleaning for a wide array of large facilities. Based in Grand Rapids, Michigan, the company traces its history to more than a century of operation as of 2015. Its client portfolio includes commercial office buildings, light industrial facilities, K-12 districts, government buildings, airports, medical facilities, and higher education campuses.

This breadth positions GRBS as a diverse custodial provider in the Midwest. In the facilities services landscape, it focuses on delivering professional custodial services to sizable facilities across multiple sectors. The company's long-standing regional presence reflects a stable, Midwest-focused approach to maintaining large-scale cleaning operations.

Section iconCompany Overview

Phone number
SIC Code
7342 - Disinfecting and Pest Control Services
NAICS Code
5612 - Facilities Support Services
Founded
1915
Employees
201-500

Section iconFunding & Financials

  • $500M - $1B

    GRBS Inc.'s revenue is estimated to be in the range of $500M - $1B

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