Keep your crane build on track and compliant
Marquis Crane Services provides independent, third-party Assembly and Disassembly Oversight for complex crane builds including crawler cranes, large hydraulic cranes with luffing attachments, and tower crane erection and climbing operations. When the build is rushed or unclear, small misses can lead to delays, rework, and increased safety risk. We step in to keep the plan tight, the sequence followed, and the documentation accurate so your crane is assembled correctly and ready to work without setbacks.
Fewer delays and do-overs
Catch issues during the build, not after the crane is already tied up.
Safer lifts start sooner
Oversight that keeps critical steps from getting skipped under schedule pressure.
Clear roles and communication
Everyone knows the next move, the hold points, and who signs off.
Better documentation for your records
Organized reporting that supports compliance and internal audits.
Independent third-party confidence
A neutral set of eyes focused on safety and proper assembly practices.
Crane builds are high-pressure days. When you have experienced oversight in place, the whole site runs calmer. Your crew is not guessing, your supervisor is not chasing answers, and your customer sees a controlled, professional setup. You get the peace of mind that the crane went together the right way, and you can start lifting without that nagging worry in the back of your head.
Assembly and disassembly mistakes cost real money, lost shift time, extra mobilizations, damaged components, and hard downtime. Our oversight helps you avoid preventable rework and keeps the process moving with fewer stop-start moments. With efficient coordination and solid documentation, you protect the crane, improve readiness, and reduce the chances of a small problem turning into a multi-day setback.
Large crane assembly is not the place for shortcuts. One missed step can put people at risk and bring a job to a standstill. Choosing the right oversight provider matters because it takes real field experience to spot problems early and keep the build aligned with safe practices and manufacturer expectations. Marquis Crane Services is headquartered in Southern Maine and backed by over 35 years in repair, assembly/disassembly, and inspection. Our team includes NCCCO-certified inspectors, OSHA 30-trained personnel, TWIC holders, and Manitowoc Crane Care Factory training.
Tell us the crane type, configuration, site conditions, and schedule.
We align on the assembly sequence, key risks, and hold points.
Independent direction and verification through each critical stage.
We document concerns early so corrections are faster and cleaner.
Digital documentation using comprehensive inspection software, with fast delivery and easier record-keeping.
"*" indicates required fields
No. We support crawler cranes and large hydraulic cranes, including luffing attachments, and we can help on other complex setups where independent oversight reduces risk and keeps the work organized.
We are independent third-party. That neutrality matters when you need clean documentation and unbiased oversight.
Yes. We serve New England and travel nationally depending on the project scope and schedule.
Make your next crane build smoother, safer, and easier to document.
