Rubber-Tired Gantry (RTG) Cranes — Yard Equipment

World's largest port crane manufacturer (~38% RTG delivery share, ~80% of STS cranes at US ports). Subsidiary of China Communications Construction Company (CCCC), a state-owned enterprise. Operates 10 production bases in Shanghai (Changxing Island) and Nantong with 10km of coastline. Designated parent CCCC is on the US DoD "Communist Chinese military companies" list and US Commerce Entity List (Dec 2020). ZPMC cranes were found to contain undisclosed cellular modems in 2023.

Finnish crane manufacturer; #2 RTG supplier globally (~27% 2024 delivery share). Absorbed Terex's Material Handling & Port Solutions division (Demag brand) in 2017 for €1.3B. Also operates Konecranes Nuclear Equipment & Services (KNES) in New Berlin, Wisconsin — leading supplier of lifting equipment for US nuclear weapons complex, DOE, DOD, and US Navy (600+ navy cranes). $46.75M contract for 175-ton portal crane at Norfolk Naval Shipyard (2024).

PACECO Corp. (originally Pacific Coast Engineering Company), wholly owned subsidiary of Mitsui E&S Co., Ltd. (Japan). PACECO invented the rubber-tyred gantry crane ("Transtainer" brand) in the 1950s. Stopped US manufacturing in 1989. Currently #3 RTG supplier (~11% 2024 delivery share, 17% of forward order book — fastest growing). May 2024: launched world's first hydrogen fuel cell RTG at Port of Los Angeles. 2024: announced partnership with Brookfield to reestablish final assembly of port cranes in California, first US production in 35 years. ~90% Japanese domestic port crane market.

Chinese crane manufacturer and the fastest-growing RTG supplier. In July 2022, Kalmar transferred all its heavy crane intellectual property (RTG, RMG, STS, ASC) to Rainbow at its Taicang, Jiangsu facility. Rainbow now holds the IP behind all Kalmar-branded heavy cranes globally. Currently holds 21.84% of global RTG forward order book (2025+ delivery) — second largest in the world. TTM revenue (to Sep 2025): $1.08B. Terminals running legacy "Kalmar" RTGs now depend on a Chinese company for IP, spare parts, and software.

Liebherr's dedicated container crane manufacturing subsidiary, established in Killarney, Ireland in 1958 — Liebherr's first overseas production company. Manufactures RTG (8- and 16-wheel, spanning 5–10 containers), RMG, and STS cranes. ~8-9% of RTG forward order book. Parent Liebherr-International AG is Swiss-registered, German-founded, privately owned by the Liebherr family. Maritime crane manufacturing for offshore/mobile harbour cranes at Rostock, Germany (Liebherr MCCtec).

China's largest construction equipment manufacturer (Forbes Global 2000 #468, 2021) and an active RTG crane producer. Gaolan Port (Zhuhai) manufacturing park. Exact RTG delivery market share not publicly disclosed; consistently listed as top-5 global RTG supplier by market research firms. Also produces STS cranes, RMG cranes, mobile harbour cranes, and a full range of heavy construction equipment.