ISG RE
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ISG RE
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PROFESSIONAL BUILDING MAINTENANCE FOR COMMERCIAL PROPERTIES

our services

Comprehensive, customized maintenance programs that keep your building operational, safe, and positioned to perform.

Building Maintenance services

Routing Inspections and Maintenance

Scheduled walkthroughs and system checks identify issues before they escalate. ISG's proactive inspection protocols reduce emergency maintenance costs and keep small problems from becoming significant ones.

Electrical Systems Maintenance

Our team of qualified professionals expertly manages lighting systems, conducts thorough panel inspections, ensures reliable emergency lighting, and handles electrical troubleshooting. All work is carefully documented for your records, providing you with peace of mind and assurance in our services.

Plumbing Repairs and Maintenance

Protect your property and keep your tenants happy with our comprehensive services! We offer leak detection, fixture maintenance, and expert drain management to prevent issues and ensure smooth operations. Our proactive approach keeps your water systems running seamlessly, allowing you to focus on what matters most!


Energy and Sustainability

Our comprehensive sustainability services include ENERGY STAR compliance and cost-reduction strategies aimed at extending the useful life of your equipment. These services also help lower operating costs and reduce carbon emissions.

Interior & Common Area Maintenance

We take care of regular interior and common area repairs, including door hardware installation, ceiling systems, flooring, wall surface maintenance, and the upkeep of common areas to ensure your property maintains a professional appearance.

Vendor & Contractor Management

When specialized trades are required, ISG manages the process — sourcing qualified contractors, overseeing scope and quality, and keeping you in the loop.

HVAC Services

A well-maintained building signals professionalism to your tenants and protects your long-term asset value. ISG delivers structured building maintenance programs tailored to the specific demands of commercial properties — covering the full scope of systems and services that keep your facility running at its best.

Preventative Maintenance

Preventative Maintenance

Preventative Maintenance

Customized PM schedules built around your equipment inventory, usage demands, and manufacturer specifications. Seasonal maintenance, filter changes, coil cleaning, refrigerant checks, and full system inspections — executed on a schedule that protects your investment year-round.

Mechanical Systems

Preventative Maintenance

Preventative Maintenance

Thorough inspections of rooftop units, air handlers, chillers, boilers, exhaust systems, and controls. ISG identifies wear, inefficiency, and potential failure points before they escalate into costly repairs.

Unplanned Repairs

Preventative Maintenance

Performance Optimization

When issues arise, ISG provides responsive repair services for commercial HVAC systems. Our technicians are equipped to diagnose and resolve mechanical, electrical, and controls-related failures — with priority response for critical system outages.

Performance Optimization

Performance Optimization

Performance Optimization

Beyond maintenance, ISG evaluates your HVAC systems for operational efficiency. We identify opportunities to reduce energy consumption, improve airflow balance, and optimize comfort conditions across your building.

Building Automation

Performance Optimization

Building Automation

Programming, calibration, and troubleshooting for building automation systems and HVAC controls — ensuring your systems operate as intended and giving your team the visibility to manage them effectively.

Equipment Upgrades

Performance Optimization

Building Automation

When systems reach the end of their useful life, ISG provides objective guidance on replacement options, specifications, and project execution — without the conflict of interest that comes from equipment sales.

Construction Management

ISG provides experienced construction management for tenant improvements, capital projects, and facility upgrades at commercial properties.

Planning

Procurement

Procurement

  ISG works with property owners to define project scope, establish realistic budgets, and develop a phasing plan that minimizes disruption to existing operations and tenants. Clear pre-construction planning is the foundation of every successful project.

Procurement

Procurement

Procurement

We manage the contractor selection process — developing bid packages, evaluating proposals, and recommending qualified contractors whose capabilities align with your project requirements and quality standards.

Budgeting

Procurement

Scheduling

 ISG develops and maintains project budgets throughout construction, tracking expenditures, managing change orders, and keeping ownership informed of cost performance at every stage 

Scheduling

Quality Assurance

Scheduling

Detailed project schedules with clear milestones. ISG monitors progress, coordinates contractor activities, and proactively addresses delays to keep your project on track.

Quality Assurance

Quality Assurance

Quality Assurance

Regular site visits and systematic quality reviews ensure that work is being completed to specification and meeting the standards your property demands. Issues are documented and addressed in real time.

Communication

Quality Assurance

Quality Assurance

 For occupied properties, ISG coordinates construction activities to minimize disruption to existing tenants — managing access, noise, dust, and scheduling in alignment with lease obligations and tenant communication.

Project Types

Tenant Improvements

Tenant Improvements

Tenant Improvements

From shell condition buildouts to complex, high-specification office and retail improvements — ISG manages tenant improvement projects that deliver on design intent and meet landlord-tenant obligations 

Capital Improvements

Tenant Improvements

Tenant Improvements

Roof replacements, facade work, parking structure improvements, lobby renovations, and other significant capital investments require disciplined project management. ISG delivers it.

MEP System Upgrades

Redevelopment/Repositioning

Redevelopment/Repositioning

Major mechanical, electrical, and plumbing upgrades — HVAC replacements, electrical infrastructure improvements, plumbing system overhauls — managed with the technical knowledge your systems require.

Redevelopment/Repositioning

Redevelopment/Repositioning

Redevelopment/Repositioning

Properties being repositioned in the market, rebranded, or upgraded to attract higher-quality tenants benefit from construction management that understands both the operational and commercial goals of the project.

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ISG

188 Inverness Dr. W., #300, Englewood, CO 80112

303-799-9550

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