Market leadership Established since 1970 as a leading Chicagoland mechanical contractor with broad capabilities in engineering, energy audits, commissioning, fabrication, installation, and 24/7 emergency HVACR service, indicating strong credibility for large-scale facilities projects.

Service scale Operates a large service footprint with over 60 technicians, paperless workflow, iPad-enabled work orders, and 24/7/365 coverage, suggesting upsell opportunities in ongoing maintenance contracts, predictive maintenance, and service level enhancements.

Industry focus Deep experience across industrial, institutional, commercial, healthcare, data centers, labs, and pharmaceutical environments positions Westside as a preferred partner for complex, regulated, or mission-critical facilities needing reliable HVAC solutions.

Engineering depth Comprehensive capabilities from energy audits and balancing to D.D.C. systems and sheetmetal/piping fabrication enable bundled solutions for retrofit, efficiency upgrades, and turnkey projects for both new and existing facilities.

Growth readiness Revenue range indicates mid-market scale with potential for expansion into adjacent markets or larger data center and healthcare projects, supported by a strong service backbone and scalable field operations.