Simplifying Employment for Colorado Springs Businesses. TIME-SAVING TECHNOLOGY, PAYROLL, HR, BENEFITS, COMPLIANCE, SAFETY INSURANCE. Our comprehensive solutions include HR Training, Employee Benefits, Cyber Security, and Business Insurance. Streamline your processes with Payroll Management, Performance Management, and Onboarding & Offboarding Services. We provide Colorado Springs companies with Risk Management, Safety Compliance. ESI is a Colorado Payroll Outsourcing and Colorado Spring PEO.