2025 Fast 50

12: Consulting Services Group, LLC
Location: Herndon, Virginia
Annual growth rate: 53.2%
2024 Revenue: $88,819,813
2023 Revenue: $57,584,382
2022 Revenue: $57,510,589
2021 Revenue: $31,384,124
2020 Revenue: $16,127,543
Leadership: N/A
Number of employees: 200
Website: https://www.csg-llcusa.com/
Lines of business: Custom global telecommunications services -Custom information technology solutions -Big Data Analytics -Predicative Blockchain Cross Chain Analytics
Major customers: IC and DoD
Major contracts/projects: ACC RI IDIQ
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