Questions on Venue

1) P (domiciliary of San. Fran. – in N.D. Cal.) sues D1 (domiciliary of NYC – in S.D.N.Y.) & D2 (domiciliary of Buffalo – in W.D.N.Y.). Suit is under 42 U.S.C. § 1983 concerning an allegedly unlawful arrest that occurred in an airport in NJ (D.N.J.)
D1 and D2 were each served at their homes. Is there SMJ?
Is there Venue in
–N.D. Cal.? 
–S.D.N.Y.?
–W.D.N.Y.?
–E.D.N.Y.?
–D.N.J. ?
Is there PJ over all or some defendants if brought in
NY?
NJ?
Cal.?

2) P (San. Fran. – N.D. Cal.) sues D1 (NYC – S.D.N.Y.) & D2 (Conn – D.Conn). Suit is under 42 U.S.C. § 1983 concerning an allegedly unlawful arrest that occurred in New Jersey (D.N.J.) D1 and D2 each served at their homes.
Is there SMJ?
Is there Venue in
    N.D. Cal. ?
    S.D.N.Y. ? 
    W.D.N.Y. ?
    N.D.N.Y. ?
    D.N.J. ?
Is there PJ over all or some defendants if brought in
    Cal.?  
    N.Y.? 
    Conn.?
    N.J.?    
   
3) P (San. Fran. – N.D. Cal.) sues D1 (NYC – S.D.N.Y.) & D2 (Conn – D.Conn). Suit is a Cal. State law breach of contract action concerning a contract signed in San Francisco for the construction of a hospital in Albany (in N.D.N.Y.). D1 and D2 each build part. P claims hospital is not according to plans. D2 has a vacation home in the Hamptons (in E.D.N.Y.). D1 served at home, D2 at his vacation home.
    Is there SMJ?
Is there Venue in?
–N.D. Cal.   
–S.D.N.Y.   
–W.D.N.Y.   
–N.D.N.Y.   
–E.D.N.Y.   
–D.Conn.   
Is there PJ over all or some defendants if brought in
Cal.?  
N.Y.?   
Conn.?  

4) P (S.F. – N.D. Cal.) sues the D1 Corp. & the D2 Corp. Suit is a Cal. State law breach of contract action concerning a contract signed in San Francisco for the construction of a hospital in Albany (N.D.N.Y.) D1 Corp. built foundation; D2 Corp. built structure. D1 Corp. incorporated in New York; main office in NYC (S.D.N.Y.); large branch office in Philadelphia (E.D. Pa.). D2 Corp. incorporated in Delaware (D. Del.); main office in Pittsburgh (W.D. Pa.); large branch office in Boston (D. Mass.)
   
Is there SMJ?
   
Venue in?             
– N.D. Cal.   
–N.D.N.Y.    
–S.D.N.Y.   
–W.D.N.Y.   
–E.D.N.Y   
–E.D. Pa.   
–W.D. Pa.   
–D. Del.   
–D. Mass.  
   
    PJ over Ds?
    in Cal
    in Pa
    in NY
    in Del
    in Mass

5) P (S.F. – N.D. Cal.) sues the D1 (D. Mass.) & D2 (D. Del.). Suit is breach of contract action concerning a contract signed in London for the construction of a hospital in Paris. D1 built foundation; D2 built structure
Venue in?
D. Del.   
D. Mass.   
N.D. Cal.