I-130 Petition (Spouse, Children, Parents). 

I-485 Adjustment of Status Petition (Spouse, Children, Parents). 

I-129F Fiancé Petition.

I-360 Widower Petition.

I-751 Remove Conditions of Residency.

I-212 Application for Permission to Reapply for Admission into the US After Deportation or Removal.

I-601 Application for Waiver of Grounds of Inadmissibility.

I-601A Application for Provisional Unlawful Presence Waiver.

I-90 Renewal of Permanent Residency.

G-639 FOIA Requests (USCIS, CBP, ICE).

Police and Court Records.

N-400 Application for Citizenship.

N-600 Application for Certificate of Citizenship.

N-565 Application for Replacement of Naturalization Citizenship Document.

Derivative Citizenship.

Consular Report of Birth Abroad.

US Passport Applications.