21st Century Interlok Inc. is a design and build landscape company, providing commercial year-round property maintenance services. 21st Century Interlok Inc. specializes in custom hardscapes in any medium including landscape/hardscape design, driveways, patios, walkways, retaining walls, synthetic grass and putting greens. 21st Century Interlok Inc. is also an E-Z Grass authorized dealer and installer. We also offer garden design and planting. 21st Century Interlok Inc. was established in 1986 and is a professional landscape company committed to excellence and customer satisfaction via quality products and proven installation methods cultivated over 30 years in the Industry.