

Check-6: Detailed Company Information & Corporate Profile
Summary
Check‑6, founded in 2007 and headquartered in Tulsa, Oklahoma, delivers business consultancy services with a focus on developing high reliability organizations, job safety analysis management systems, rig move services, and change management. The firm combines human factor performance excellence, coaching, rigor, data analytics, operations optimization, crisis management, and training to help clients achieve sustained operational resilience.
With a team of 200‑500 professionals and annual revenue between $50 M and $100 M, Check‑6 supports Western Hemisphere and Asia Pacific markets. Its multidisciplinary approach integrates software quality assurance, interactive courseware, due diligence, and operational risk management to accelerate human performance across diverse industries.
Leadership is led by CEO Sean Rackley, General Counsel Kalen Thompson, VP Vince Saporito, product owner Jennifer Ord, coach Martin Thorson, and board chairman Dennis Romano, among other experts who drive the firm’s consulting excellence.
| Check-6 Website | checksix.com |
| Industries | |
| Check-6 Headquarters Address | 201 S. Denver Avenue, Tulsa, OK, 74103 US |
| Company Size | 200-500 employees |
| Specialities & Services | Developing High Reliability Organizations, Job Safety Analysis Management System, Rig Move Services, Change Management, Human Factor, Performance Excellence, Coaching, RIGOR, Accelerating Human Performance, data analytics, operations, leadership, due diligence, Operations Optimization, Crisis Management, Training, Operations Risk Management |
| Founded | 2007 |
| Estimated Annual Revenue | $50M - 100M |
| Updated: | 2026-09-29 |
Estimated Website Traffic
The chart shows a decline in traffic to the checksix.com website. In September, traffic decreased to 382, compared to 527 in the previous month. The highest traffic in 2026 was recorded in August, reaching 527 visits.
Workforce Turnover
Length of Employment
Check-6's workforce includes employees across a wide range of tenure levels.
5% have been with the company for 1 to 2 years10% have been with the company for 3 to 4 years10% have been with the company for 5 to 7 years20% have been with the company for 8 to 10 years55% have been with the company for more than 11 yearsCompanies Similar to Check-6
Check-6 Corporate Information: FAQ
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