How does one ensure that the contract is even being abided with when such company refuses to even provide any info? Google, Amazon, VISA/Mastercard, Apple etc c

How does one ensure that the contract is even being abided with when such company refuses to even provide any info? Google, Amazon, VISA/Mastercard, Apple etc companies have basically become the railroads of 21st century and they need to be treated the same way the railroads got treated in the 19th century. https://theconversation.com/for-tech-giants-a-cautionary-tale-from-19th-century-railroads-on-the-limits-of-competition-91616 https://theconversation.com/for-tech-giants-a-cautionary-tal...