Markon Solutions Acquires ASEC

Anser Advisory Acquires Markon Solutions

October 12, 2021

Professional Services

Anser Advisory, a portfolio company of Sterling Investment Partners, has acquired Markon Solutions and will operate Markon as a wholly‑owned subsidiary. The combination creates a 650+ employee organization with expanded federal capabilities—particularly in the intelligence community, civilian and defense agencies—and broader geographic presence in the Virginia/Maryland/DC area.

Anser Advisory's Markon Solutions Acquires IntegrateIT

February 22, 2022

Government & Public Sector

Anser Advisory’s federal subsidiary, Markon Solutions, has acquired IntegrateIT, a small government IT services firm based in northern Virginia that supports the intelligence community. The add-on expands Markon/Anser’s federal enterprise IT capabilities, deepens client and partner relationships, and brings IntegrateIT personnel and expertise into the Markon federal division (a portfolio company of Sterling Investment Partners).

Markon (Sterling Portfolio Company) Acquires Millennium Corporation

February 20, 2026

Cybersecurity

Markon, a Sterling Investment Partners portfolio company, has acquired Millennium Corporation to expand full‑spectrum cyber capabilities across defense, intelligence, and federal civilian markets. The deal combines Markon’s enterprise delivery and program execution strengths with Millennium’s adversarial threat emulation, cyber operations, testing, training, and software capabilities as an add‑on to Markon’s platform.

Markon Solutions Acquires Armatus Solutions

November 12, 2020

Government & Public Sector

Markon Solutions, a Falls Church, Virginia-based professional services firm, acquired Armatus Solutions, a small Northern Virginia government contracting company that provides systems engineering and IT professional services to the U.S. Intelligence Community. The acquisition is intended to expand Markon's systems engineering and enterprise IT capabilities while preserving continuity for Armatus customers and employees.

Verdantas Acquires ASEC Engineers

October 22, 2024

Energy

Verdantas, a Tampa-based consulting firm backed by Sterling Investment Partners, has acquired ASEC Engineers, a Denver-based power delivery and renewable energy engineering firm. The deal adds ASEC’s transmission, substation and distribution design capabilities and ~130 staff across offices in Colorado, California, Florida, Texas and Pune, India, expanding Verdantas’ energy transition service offerings and geographic footprint.

Security 101 Acquires Security & Energy Technologies Corporation (SETEC)

October 14, 2025

Industrial Services

Security 101, a portfolio company of Gemspring Capital, has acquired Security & Energy Technologies Corporation (SETEC), a Chantilly, Virginia–based systems integrator that serves commercial and federal government clients. The deal — Security 101's 19th strategic acquisition — strengthens the buyer's presence in the Washington, D.C. corridor and positions SETEC to pursue larger, more complex federal and commercial projects under Security 101's national platform.