Apple seems like the only big company out there which takes an active stance on privacy and doing everything legally possible to protect it:
<a href="http:&#x2F;&#x2F;www.apple.com&#x2F;privacy&#x2F;government-information-requests&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.apple.com&#x2F;privacy&#x2F;government-information-requests...</a>